4 ms·
That’s what SPF[1] is for, and optionally DMARC[2]. [1] https://en.wikipedia.org/wiki/Sender_Policy_Framework https://en.wikipedia.org/wiki/Sender_Policy_Frame
by deno 7y ago
That’s what SPF[1] is for, and optionally DMARC[2].
[1] https://en.wikipedia.org/wiki/Sender_Policy_Framework https://en.wikipedia.org/wiki/Sender_Policy_Framework
[2] https://en.wikipedia.org/wiki/DMARC https://en.wikipedia.org/wiki/DMARC